Dean Stark Distillation Receiver Graduated 20ml With 29/42 Joints & 2mm Ptfe Stopcock
Special Price $66.25 Regular Price $102.53
- DESIGN----Dean stark apparatus,also called dean stark trap,distilling trap/reservoir,used to remove water from a reflux reaction in azeotropic distillation of organic chemistry.It is designed with a graduated reservoir with standard top joint at top and 2mm PTFE stopcock which is used to collect water from a reaction, the side arm tubing with a standard male joint at bottom supplies a path for the vapor from reaction flask.
- SET UP----The dean stark trap usually works with a water-cooled reflux condenser (liebig condenser,coiled condenser,dimroth condenser),a reaction flask (round bottom flask or schlenk flask),and a separatory funnel together to finish the reflux and separation.
- DIMENSIONS----This dean stark trap is designed with 29/42 standard taper joint at top and side arm ,with 2mm PTFE stopcock for water control,and with volume graduation on the reservoir enable reaction progress to be followed by the amount of water that has been removed.The capacity of the reservoir is 20mL
- HIGH QUALITY---Laboy glass distillation heads are all made of high quality boroslicate glass according to ASTM E439,heavy wall design,durable and reusable.The ground joints are precisely grounded according to US standard.
The dean-stark receiver ,also called a dean stark apparatus ,dean stark trap,distilling trap,used in combination with a reflux condenser and a reacting flask for continuous removal of the water in azeotropic distillation.A dean dark trap collects the water produced from a reaction in the reservoir with PTFE stopcock at end,volume graduations on this reservoir enable reaction progress to be followed by the amount of water that has been removed.The side arm tubing with standard taper joint is assembled with a reaction flask or single round bottom flask for heating mixture.
How to set up a dean stark apparatus in a reaction
1.Place a water-cooled reflux condenser(liebig condenser, coiled condenser,dimroth condenser) with standard taper joint into the top of the dean stark trap where there is a female taper joint.
2.Prepare a round bottom flask and add a magnetic stirrer bar,add the reagents with the additional funnel or powder funnel.
3.Assemble the setup with plastic joint clip and heat the mixture under reflux until no more water is collected in the dean stark trap.
4.Remove the heat source and allow the mixture to cool to room temperature, then transfer the reaction mixture to a separatory funnel.and discard the contents in the dean stark trap.
This dean stark trap is designed with 29/42 standard taper joint at top and side arm ,with 2mm PTFE stopcock for fluid control,and with volume graduation on the reservoir capacity of 20mL.
Made of high quality borosilicate glass 3.3 having very low coefficients of thermal expansion for resistance to heat, and a very high resistance to chemical attack.Annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.
How to set up a dean stark apparatus in a reaction
1.Place a water-cooled reflux condenser(liebig condenser, coiled condenser,dimroth condenser) with standard taper joint into the top of the dean stark trap where there is a female taper joint.
2.Prepare a round bottom flask and add a magnetic stirrer bar,add the reagents with the additional funnel or powder funnel.
3.Assemble the setup with plastic joint clip and heat the mixture under reflux until no more water is collected in the dean stark trap.
4.Remove the heat source and allow the mixture to cool to room temperature, then transfer the reaction mixture to a separatory funnel.and discard the contents in the dean stark trap.
This dean stark trap is designed with 29/42 standard taper joint at top and side arm ,with 2mm PTFE stopcock for fluid control,and with volume graduation on the reservoir capacity of 20mL.
Made of high quality borosilicate glass 3.3 having very low coefficients of thermal expansion for resistance to heat, and a very high resistance to chemical attack.Annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.
